<template>
	<view>
		<view class="goods-item">
			<!-- 商品图片左侧 -->
			<view class="goods-item-left">
					<radio :checked="goods.goods_state"  @click="radioClickHandler" color="#C00000" v-if="showRadio"></radio>
				<image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
			</view>
			<!-- 商品文字右侧-->
			<view class="goods-item-right">
				<!-- 标题 -->
					<view class="goods-name">{{goods.goods_name}}</view>
				 <view class="goods-info-box">
						  <!-- 商品价格 -->
				  <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
				  <!-- 商品数量 -->
				  <uni-number-box background="#f0f0ea" :min="2" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler"></uni-number-box>
				</view>
			</view>
		</view>		
	</view>
</template>

<script>
	export default {
		name:"Mygoods",
			props:{
				goods:{
					type:Object,
					default:{}
				},
				// 是否显示左侧单选框
				showRadio:{
					type:Boolean,
					 // 如果外界没有指定 show-radio 属性的值，则默认不展示 radio 组件
					default:false,
				},
				// 是否展示价格右侧的NumberBox组件
				showNum:{
					type:Boolean,
					default:false
				}
			},
		data() {
			return {
				// 默认的空图片
				defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
			};
		},
		filters:{
			tofixed(num){
				return Number(num).toFixed(2)
			}
		},
		methods:{
			// 勾选状态
			radioClickHandler(){
				// 通过 this.$emit() 触发外界通过 @ 绑定的 radio-change 事件，
				// 同时把商品的 Id 和 勾选状态 作为参数传递给 radio-change 事件处理函数
				this.$emit('radio-change',{
					goods_id:this.goods.goods_id,
					goods_state:!this.goods.goods_state
				})
			},
			// 商品数量操作
			numChangeHandler(val){
				this.$emit("num-change",{
					goods_id:this.goods.goods_id,
					goods_count: +val
				})
			}
		},
	}
</script>

<style lang="scss">
.goods-item{
		width: 750rpx;
		box-sizing: border-box;
		display: flex;
		padding: 10px 5px;
		border-bottom: 1px solid #c3c3c3;
		.goods-item-left{
			margin-right: 5px;
			display: flex;
			justify-content: space-between;
			align-items: center;
			.goods-pic{
				width: 100px;
				height:100px;
				display: block;
			}
		}
		
		.goods-item-right{
				font-size: 14px;
				display: flex;
				flex: 1;
				flex-direction: column;
				justify-content: space-between;
			}
			.goods-info-box{
				display: flex;
				justify-content: space-between;
				align-items: center;
				.goods-price{
					color: #9a0000;
					font-size: 16px;
				}
			}
			
		}
</style>